John Guest Speedfit 12mm Male to 3/8" BSPP Male Adaptor

Designed for creating a push-fit connection to 12 mm O/D semi-rigid water pipe. This 12 mm x 3/8" BSPP Male/Male Push-Fit Adapter from John Guest quickly converts a Speedfit-style push-fit joint into a BSPP threaded connection.

Made from durable black acetal, this genuine John Guest stem adaptor provides a fast, reliable installation with no tools, heat, or sealing compounds required. The innovative collet locking system securely grips the fitting without deformation or flow restriction, ensuring a tight, leak-free seal.

Corrosion-resistant and fully demountable, the fitting supports both hot and cold pipework and helps reduce maintenance downtime.